Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and TERRA
TLE Epoch: 2023 8 26.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(TERRA) TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2023   02:35:58   ( -70.86, -44.18) 08/26/2023   02:35:37  ( -70.84, -44.24)    2.80                21
 08/28/2023   14:39:13   (  70.95, -45.14) 08/28/2023   14:39:29  (  70.94, -45.09)    1.97                16
 08/28/2023   15:29:54   ( -70.81, 122.41) 08/28/2023   15:28:54  ( -70.82, 122.38)    1.40                60
 08/31/2023   02:42:23   ( -70.97, -45.98) 08/31/2023   02:43:22  ( -70.97, -46.04)    2.16                59
 08/31/2023   03:33:08   (  70.91, 121.43) 08/31/2023   03:32:45  (  70.89, 121.48)    3.00                23
 09/02/2023   14:45:54   (  71.91, -48.45) 09/02/2023   14:46:59  (  71.83, -45.66)   97.12                65
 09/02/2023   15:36:19   ( -70.94, 120.58) 09/02/2023   15:36:38  ( -70.96, 120.59)    1.98                19
 09/02/2023   16:27:03   (  70.82, -71.92) 09/02/2023   16:26:02  (  70.81, -71.97)    2.62                61
 09/05/2023   03:39:33   (  71.01, 119.67) 09/05/2023   03:40:29  (  71.03, 119.70)    2.59                56
 09/05/2023   04:30:15   ( -70.91, -72.86) 09/05/2023   04:29:54  ( -70.92, -72.82)    1.59                21
 09/07/2023   16:33:28   (  70.93, -73.70) 09/07/2023   16:33:45  (  70.96, -73.75)    2.91                17
 09/07/2023   17:24:10   ( -70.84,  93.77) 09/07/2023   17:23:10  ( -70.85,  93.74)    1.49                60